From 866782893eb0b493be536be8c66568d4da966d15 Mon Sep 17 00:00:00 2001
From: "Sean T. Allen" <sean@seantallen.com>
Date: Wed, 30 Aug 2023 01:57:15 +0000
Subject: [PATCH] Push images to GitHub Container Registry in addition to
 DockerHub

---
 .../build-docker-images-on-release.bash       | 24 +++++++++++++++----
 .../release/build-latest-docker-images.bash   | 13 ++++++++--
 .github/workflows/latest-docker-image.yml     |  9 ++++++-
 .github/workflows/release.yml                 |  9 ++++++-
 4 files changed, 47 insertions(+), 8 deletions(-)

diff --git a/.ci-scripts/release/build-docker-images-on-release.bash b/.ci-scripts/release/build-docker-images-on-release.bash
index 8a4c193..a7ee0e0 100644
--- a/.ci-scripts/release/build-docker-images-on-release.bash
+++ b/.ci-scripts/release/build-docker-images-on-release.bash
@@ -52,12 +52,28 @@ set -o nounset
 # Version: "1.0.0"
 VERSION="${GITHUB_REF/refs\/tags\//}"
 
-# Build and push :VERSION tag e.g. ponylang/ponyup:0.32.1
-DOCKER_TAG=${GITHUB_REPOSITORY}:"${VERSION}"
+## DockerHub
+
+NAME="${GITHUB_REPOSITORY}"
+# Build and push :VERSION tag e.g. ponylang/changelog-tool:0.32.1
+DOCKER_TAG="${NAME}:${VERSION}"
+docker build --pull -t "${DOCKER_TAG}" .
+docker push "${DOCKER_TAG}"
+
+# Build and push "release" tag e.g. ponylang/changelog-tool:release
+DOCKER_TAG="${NAME}:release"
+docker build --pull -t "${DOCKER_TAG}" .
+docker push "${DOCKER_TAG}"
+
+## GitHub Container Registry
+
+NAME="ghcr.io/${GITHUB_REPOSITORY}"
+# Build and push :VERSION tag e.g. ghcr.io/ponylang/changelog-tool:0.32.1
+DOCKER_TAG="${NAME}:${VERSION}"
 docker build --pull -t "${DOCKER_TAG}" .
 docker push "${DOCKER_TAG}"
 
-# Build and push "release" tag e.g. ponylang/ponyup:release
-DOCKER_TAG=${GITHUB_REPOSITORY}:release
+# Build and push "release" tag e.g. ghcr.io/ponylang/changelog-tool:release
+DOCKER_TAG="${NAME}:release"
 docker build --pull -t "${DOCKER_TAG}" .
 docker push "${DOCKER_TAG}"
diff --git a/.ci-scripts/release/build-latest-docker-images.bash b/.ci-scripts/release/build-latest-docker-images.bash
index 9c3f1a2..b944bcb 100644
--- a/.ci-scripts/release/build-latest-docker-images.bash
+++ b/.ci-scripts/release/build-latest-docker-images.bash
@@ -33,7 +33,16 @@ fi
 # allow above so we can display nice error messages for expected unset variables
 set -o nounset
 
-# Build and push "latest" tag e.g. ponylang/ponyup:latest
-DOCKER_TAG=${GITHUB_REPOSITORY}:latest
+## DockerHub
+
+# Build and push "latest" tag e.g. ponylang/changelog-tool:latest
+DOCKER_TAG="${GITHUB_REPOSITORY}:latest"
+docker build --pull -t "${DOCKER_TAG}" .
+docker push "${DOCKER_TAG}"
+
+## GitHub Container Registry
+
+# Build and push "latest" tag e.g. ghcr.io/ponylang/changelog-tool:latest
+DOCKER_TAG="ghcr.io/${GITHUB_REPOSITORY}:latest"
 docker build --pull -t "${DOCKER_TAG}" .
 docker push "${DOCKER_TAG}"
diff --git a/.github/workflows/latest-docker-image.yml b/.github/workflows/latest-docker-image.yml
index 0eeb4e4..bb342f1 100644
--- a/.github/workflows/latest-docker-image.yml
+++ b/.github/workflows/latest-docker-image.yml
@@ -11,10 +11,17 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - name: Docker login
+      - name: Login to DockerHub
         run: docker login -u "$DOCKER_USERNAME" -p "$DOCKER_PASSWORD"
         env:
           DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
           DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
+      - name: Login to GitHub Container Registry
+        # v2.2.0
+        uses: docker/login-action@465a07811f14bebb1938fbed4728c6a1ff8901fc
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
       - name: Build and push
         run: bash .ci-scripts/release/build-latest-docker-images.bash
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 27b1724..b572ad3 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -46,11 +46,18 @@ jobs:
       - pre-artefact-creation
     steps:
       - uses: actions/checkout@v3
-      - name: Docker login
+      - name: Login to DockerHub
         run: docker login -u "$DOCKER_USERNAME" -p "$DOCKER_PASSWORD"
         env:
           DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
           DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
+      - name: Login to GitHub Container Registry
+        # v2.2.0
+        uses: docker/login-action@465a07811f14bebb1938fbed4728c6a1ff8901fc
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
       - name: Build and push
         run: bash .ci-scripts/release/build-docker-images-on-release.bash